Patents by Inventor Mataichiro Kiso

Mataichiro Kiso has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4534206
    Abstract: The present invention relates to an insulation diagnosis technique for the coil of a generator or the like, especially a strike diagnosis apparatus for diagnosing the good or bad condition of insulation by comparing, directly or after a suitable processing signal, the magnitude of a strike signal applied to the generator's coil with a reference level, or by making a frequency analysis of the strike signal.
    Type: Grant
    Filed: December 7, 1982
    Date of Patent: August 13, 1985
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mataichiro Kiso, Akemi Futakawa, Tokio Fukunaga
  • Patent number: 4502329
    Abstract: The disclosure describes a method for checking an insulative condition of an insulated winding used in an electrical appliance comprising applying an external mechanical force to said insulated winding to give vibrating frequency to the same for its examination; detecting the frequency behavior to be generated in said insulated winding in the form of electrical signal outputs; and electrically processing the signals for judging deterioration occurred in said insulated winding.
    Type: Grant
    Filed: March 21, 1983
    Date of Patent: March 5, 1985
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tokio Fukunaga, Akemi Futakawa, Mataichiro Kiso